HD155121F Datasheet, PDF (43/57 Pages) Hitachi Semiconductor – RF Transceiver IC for GSM and PCN Dual band cellular systems

HD155121F
IQ Modulator and OffsetPLL Typical Performance (cont)
Modulation spectrum vs. Temperature
GSM mode (902MHz)
0
200kHz offset
400kHz offset
600kHz to 1800kHz
−20
1.8MHz to 3MHz
3MHz to 6MHz
6MHz upward offset
−40
−60
Modulation spectrum vs. Temperature
PCN mode (1747MHz)
0
200kHz offset
400kHz offset
600kHz to 1800kHz
−20
1.8MHz to 3MHz
3MHz to 6MHz
6MHz upward offset
−40
−60
−80
Operating voltage range
−100
−60 −40 −20 0 20 40 60 80 100 120
Temperature (°C)
−80
Operating voltage range
−100
−60 −40 −20 0 20 40 60 80 100 120
Temperature (°C)
Modulation spectrum vs. V_CC
GSM mode (902MHz)
0
200kHz offset
400kHz offset
600kHz to 1800kHz
−20
1.8MHz to 3MHz
3MHz to 6MHz
6MHz upward offset
−40
−60
−80
Operating voltage range
−100
2
2.5
3
3.5
4
4.5
V_CC (V)
Modulation spectrum vs. V_CC
PCN mode (1747MHz)
0
200kHz offset
400kHz offset
600kHz to 1800kHz
−20
1.8MHz to 3MHz
3MHz to 6MHz
6MHz upward offset
−40
−60
−80
Operating voltage range
−100
2
2.5
3
3.5
4
4.5
V_CC (V)
43